Male redback's bizarre death somersault during sex is in its genes

Male redback spiders somersault onto the female's fangs while mating and are killed. Researchers cross-bred the Aussie spiders with their NZ cousins to find out why.

New research sheds light on the genetic basis of the venomous insect’s ‘weird mating behaviour’ Follow our Australia news live blog for latest updates Get our breaking news email, free app or daily news podcast If you think you’ve had a bad one-night stand, spare a thought for…